#include<bits/stdc++.h>
using namespace std;
int n,a[100005],ans;
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    for(int i=1;i<=n;i++)cin>>a[i];
    sort(a+1,a+1+n);
    int tmp=0,tmp2=1;
    for(int i=2;i<=n;i++){
        if(a[i]!=a[i-1]){
            ans++;
            tmp=(tmp+tmp2-1);
            tmp2=1;
        }
        else{
            tmp2++;
            if(tmp>0){
                tmp--;
                ans++;
            }
        }
    }
    cout<<n-ans;
    return 0;
}
